/**
 * Created by Administrator on 2016/4/29 0029.
 */
import java.sql.*;
import static java.lang.System.out;

public class ConnectionDemo {
    public static void main(String[] args)
        throws ClassNotFoundException,SQLException{
        Class.forName("com.mysql.jdbc.Driver");
        String jdbcUrl = "jdbc:mysql://localhost:3306/demo";
        String user = "root";
        String passwd = "openhome";
        try(Connection conn =
        DriverManager.getConnection(jdbcUrl, user, passwd)){
            out.printf("已%s数据库联机%n",conn.isClosed() ? "关闭":"开启");
        }
    }
}
